Home / 8,080.35-11,150.78-4,543.48

Finding the Fourth Proportional to 8,080.35, 11,150.78 and 4,543.48

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Solution

The fourth proportional to 8,080.35, 11,150.78 and 4,543.48 is: 6,269.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.35 : 11,150.78 = 4,543.48 : x
  2. Step 2: Convert to fraction form
    8,080.35/11,150.78 = 4,543.48/x
  3. Step 3: Cross multiply
    8,080.35x = 11,150.78 × 4,543.48
  4. Step 4: Simplify right side
    8,080.35x = 50,663,345.91
  5. Step 5: Solve for x
    x = 50,663,345.91/8,080.35
  6. Step 6: Final answer
    x = 6,269.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.